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| product structure silicon monolithic integrated circuit this product has no designed protection against radioactive rays . 1/ 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 tsz22111 ? 14 ? 001 www.rohm.com power supply ic series for tft - lcd panels automotive panel power management ic bm81810muv - m general description bm81810muv - m is a power management ic for tft - lcd p anels which are used in car navigation , in - vehicle center panel , and instrument cluster . this ic incorporates vcom amplifier , gate pulse modulation (gpm) in addition to the power supply for pane l driver (source, gate, and logic power suppl ies ). moreover, this ic has a built - in eeprom for sequence and output voltage setting retention. key specifications ? i nput v oltage range: 2.6v to 5.5v ? avdd output voltage range : 5.0 v to 17.0 v ? vgh output v oltage range: 8.0 v to 35.0 v ? vgl output v oltage range: - 4.0 v to - 14.0 v ? vdd output v oltage range: 0.9 v to 3.4 v ? vcom output current : 200 ma (typ.) ? switching frequency : 525 k hz, 1 .05m hz, 2 . 1 m hz ? operating temperature range : -40 to + 105 ? standby current: 2.0 ua (typ.) special characteristic s ? avdd output voltage accuracy: 2% ? oscillator frequency: 10% applications tft - lcd p anels which are used in car navigation , in - vehicle center panel , and instrument cluster . features ? aec - q100 qualified (note 1) ? alternative synchronous buck dc/dc converter or ldo for vdd output ? synchronous boost dc/dc converter for avdd output with i ntegrated load switch. ? vcom amplifier with 7bit calibrator ? positive charge pump ( integrated diode, x2/x3 ) for vgh output ? negative charge pump for vgl output ? vgh and vcom temperature compensation ? gate pulse modulation(gpm) ? i 2 c i nterface o utput v oltage s etting c ontrol f unction ( integrated eeprom ) ? switching frequency switching function (525khz, 1.05mhz, 2.1mhz) ? protection circuits ? under - voltage lock o ut ? therm al shut down ? o ver - current protection ? over - voltage protection ? under voltage protection ( timer latch type ) ? input tolerant (scl, sda, en, wp n) (note1: grade 2 ) package w(typ . ) x d(typ . ) x h(max . ) qfn 32pin 5 .0mm x 5 . 0mm x 1.0 mm typical application cir cuit (top view) figure 1. application circuit figure 1. application circuit 1 2 3 4 5 7 6 9 1 0 1 1 1 2 1 4 1 3 1 7 1 8 1 9 2 1 2 0 2 5 2 6 2 8 2 7 8 1 6 1 5 2 2 2 4 2 3 2 9 3 0 3 2 3 1 e n s w b r s t s c l s d a v r e g p g / l d s w f a u l t v i n v d d n t c r e v l s o s w a v d d v c o m v g l d r n c p p 1 d r p v c p c p p 2 v g h g s o u t g s i n v i n v i n v i n a v d d datashee t
2 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m contents ? general description ................................ ................................ ................................ ................................ ................................ .... 1 ? key specifications ................................ ................................ ................................ ................................ ................................ ....... 1 ? applications ................................ ................................ ................................ ................................ ................................ ................. 1 ? features ................................ ................................ ................................ ................................ ................................ ...................... 1 ? typical application circuit (top view) ................................ ................................ ................................ ................................ ....... 1 ? pin descriptions ................................ ................................ ................................ ................................ ................................ .......... 3 ? absolute maximum ratings ................................ ................................ ................................ ................................ ......................... 4 ? recommended operating ratings (t a = - 40 to + 105 ) ................................ ................................ ................................ ............ 5 ? electrical characteristics (unless otherwise specified, ta=25 , vin, vinb=3.3v) ................................ ................................ .. 6 ? typical perform ance curves q ................................ ................................ ................................ ................................ .................. 10 ? typical performance curves r ................................ ................................ ................................ ................................ .................. 11 ? typical performance curves s ................................ ................................ ................................ ................................ .................. 12 ? typical performance curves t ................................ ................................ ................................ ................................ .................. 13 ? typical performance curves u ................................ ................................ ................................ ................................ .................. 14 ? typical performance curves v ................................ ................................ ................................ ................................ .................. 15 ? typical performance curves w ................................ ................................ ................................ ................................ .................. 16 ? typical performance curves x ................................ ................................ ................................ ................................ .................. 17 ? typical performance curves y ................................ ................................ ................................ ................................ .................. 18 ? typical performance curves z ................................ ................................ ................................ ................................ .................. 19 ? typical performance curves { ................................ ................................ ................................ ................................ .................. 20 ? typical performance curves | ................................ ................................ ................................ ................................ .................. 21 ? typical performance curves } ................................ ................................ ................................ ................................ .................. 22 ? typical performance curves ~ ................................ ................................ ................................ ................................ .................. 23 ? typical performance curves ................................ ................................ ................................ ................................ .................. 24 ? application example 1 ( when operated by en control) ................................ ................................ ................................ ............. 25 ? timing chart1 ................................ ................................ ................................ ................................ ................................ ............ 27 ? application example 2 ( when operated with en= vcc condition ) ................................ ................................ ............................ 29 ? timing chart2 ................................ ................................ ................................ ................................ ................................ ............ 29 ? application e xample 3 (using ldsw mode) ................................ ................................ ................................ .............................. 31 ? serial communication ................................ ................................ ................................ ................................ ................................ 35 eeprom i2c format for dvr (vcom calibrator) ................................ ................................ ................................ ............. 35 eeprom i2c format for power management ic (pmic) ................................ ................................ ................................ .. 36 ? wpn timing ................................ ................................ ................................ ................................ ................................ .............. 36 ? i2c timing diagram ................................ ................................ ................................ ................................ ................................ .. 37 ? automat ic eeprom read function at start - up ................................ ................................ ................................ ........................ 38 ? eeprom parameter setting ................................ ................................ ................................ ................................ ..................... 39 ? register map ................................ ................................ ................................ ................................ ................................ ............. 40 ? command table ................................ ................................ ................................ ................................ ................................ ........ 40 ? soft start ti me ................................ ................................ ................................ ................................ ................................ .......... 46 ? block diagram ................................ ................................ ................................ ................................ ................................ ........... 47 ? avdd block function ................................ ................................ ................................ ................................ ................................ 48 ? vgh block function ................................ ................................ ................................ ................................ ................................ .. 51 ? vgl blo ck function ................................ ................................ ................................ ................................ ................................ ... 54 ? vcom block function ................................ ................................ ................................ ................................ ............................... 55 ? vdd block function ................................ ................................ ................................ ................................ ................................ .. 56 ? gpm block function ................................ ................................ ................................ ................................ ................................ . 58 ? reset b lock function ................................ ................................ ................................ ................................ .............................. 59 ? pg/ldsw block function ................................ ................................ ................................ ................................ ......................... 60 ? ntc block function ................................ ................................ ................................ ................................ ................................ .. 61 ? en block function ................................ ................................ ................................ ................................ ................................ ..... 61 ? fault blo ck function ................................ ................................ ................................ ................................ ............................... 63 ? fail register function ................................ ................................ ................................ ................................ ............................... 63 ? protection function explanation of power management block ................................ ................................ ........................... 64 ? double register ................................ ................................ ................................ ................................ ................................ ........ 65 ? data refres h ................................ ................................ ................................ ................................ ................................ ............. 65 ? operation notes ................................ ................................ ................................ ................................ ................................ ........ 71 ? ordering information ................................ ................................ ................................ ................................ ................................ . 73 ? marking diagram ................................ ................................ ................................ ................................ ................................ ....... 73 ? physical dimension, tape and reel information ................................ ................................ ................................ ....................... 74 3 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? pin con f igurati on (top view) ? pin descriptio ns pin no. pin name function pin no. pin name function 1 vinb buck dc/dc power supply input 17 cpp2 built - in positive charge pump switching di output 3 2 vreg inner power supply output 18 vgh positive charge pump feedback & power input of gate pulse modulation 3 vin boost dc/dc load switch input 19 gsout output of gate pulse modulation 4 vlso boost dc/dc load switch output 20 re slope setting pin for gate pulse modulation 5 pgnd boost dc/dc ground 21 wpn active low of eeprom writing protection. 6 sw boost dc/dc switching pin 22 ntc slope setting pin for temperature compensation of the von and vcom 7 p avdd boost dc/dc output & output feedback power input of drn 23 fault fault signal output 8 avdd power input of vcom , drp 24 pg/ ldsw power good signal output or load sw of pavdd. 9 neg negative input of vcom amplifier 25 gsin input of gate pulse modulation 10 vcom vcom amplifier output 26 sda serial clock data input (i2c) 11 cgnd charge pump ground 27 scl serial clock input (i2c) 12 vgl negative charge pump feedback 28 rst reset output 13 drn negative charge pump driver pin 29 vdd buck dc/dc or ldo output feedback input 14 drp positive charge pump driver pin 30 swb buck dc/dc switching pin or ldo output pin 15 cpp1 built - in positive charge pump switching di output 1 31 pgndb buck dc/dc ground 16 vcp built - in positive charge pump switching di output 2 32 en enable input figure 2. pin configuration ( t o p v i e w ) 1 2 3 4 5 7 6 9 1 0 1 1 1 2 1 4 1 3 1 7 1 8 1 9 2 1 2 0 2 5 2 6 2 8 2 7 8 1 6 1 5 2 2 2 4 2 3 2 9 3 0 3 2 3 1 v i n b v r e g a v d d v i n v l s o p g n d s w p a v d d v c p c p p 1 d r p d r n v g l c g n d v c o m n e g p g / l d s w f a u l t n t c w p n r e g s o u t v g h c p p 2 g s i n s d a s c l r s t v d d s w b p g n d b e n 4 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? absolute maximum ratings parameter symbol limits unit min typ max power supply voltage v in, vinb - 0.3 >+ 6.5 v output pin swb - 0.3 >+ vinb +0.3 v vdd - 0.3 >+ 6.5 v avdd , pavdd , sw - 0.3 >+ 19 v vlso - 0.3 >+ 6.5 v vcom - 0.3 >+ avdd +0.3 v drp - 0.3 >+ avdd +0.3 v drn - 0.3 >+ pavdd+0.3 v cpp 1,cpp2, vcp - 0.3 >+ 36 v vgh ,gsout,re - 0.3 >+ 36 v vgl - 15 >+ 0.3 v vreg - 0.3 >+ vin+0.3 v fault - 0.3 >+ 6.5 v pg /ldsw - 0.3 >+ 19 v rst, ntc - 0.3 >+ vin+0.3 v input pin neg - 0.3 >+ avdd+0.3 v functional pin voltage scl, sda, en , gsin, wpn - 0.3 >+ 6.5 v maximum junction temperature tjmax ( note 1) >+ >+ 150 storage temperature range tstg - 55 >+ 150 (note 1) j unct ion temperature at storage time. 5 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? thermal resistance (note 2) parameter symbol thermal resistance (typ) unit 1s (note 4) 2s2p (note 5) vqfn32sv5050 junction to ambient ja 138.9 39.1 /w junction to top characterization parameter (note 3) jt 11 5 /w (note 2)based on jesd51 - 2a(still - air). ( note 3 )the thermal characterization parameter to report the difference between junction temperature and the temperature at the top center of the outside surface of the component package. (note 4)using a pcb board based on jesd51 - 3. layer number of measurement board material board size single fr - 4 114.3mm x 76.2mm x 1.57mmt top copper pattern thickness footprints and t races 70m (note 5) using a pcb board based on jesd51 - 5, 7. layer number of measurement board material board size thermal via (note 6) pitch diameter 4 layers fr - 4 114.3mm x 76.2mm x 1.6mmt 1.20mm 0.30mm top 2 internal layers bottom copper pattern thickness copper pattern thickness copper pattern thickness footprints and traces 70m 74.2mm x 74.2mm 35m 74.2mm x 74.2mm 70m (note 6) this thermal via connects with the copper pattern of all layers. ? recommended operating rating s (t a = - 40 to + 105 ) parameter symbol min typ max unit power supply voltage v in , vinb 2. 6 >+ 5.5 v sw b current isw b >+ >+ 1 .0 a sw current isw >+ >+ 2.0 a functional pin voltage en ,gsin,wpn - 0.1 >+ 5.5 v 2 l ine s erial p in v oltage sda, scl - 0.1 >+ 5.5 v 2 l ine s erial f requency fclk >+ >+ 400 khz operating ambient temperature ta - 40 >+ 105 operating junction temperature tj - 40 >+ 125 6 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? electrical characteristics ( unless otherwise specified, ta=25 , vin, vinb =3.3v ) 1. vdd regulator block ( alternative buck converter or l do) parameter symbol limits unit condition min typ max output voltage range vdd 0.9 >+ 3.4 v 50mv step output voltage accuracy 1 vdd_r 1 2.4 62 2.5 2.5 38 v vdd=2.5v setting output voltage accuracy 2 vdd_r 2 - 2.0 - +2.0 % vdd=2.5v ~3.4v setting (ta= - 40 >| 105 ) output voltage accuracy 3 vdd_r 3 - 3.0 - +3.0 % vdd= 0.9 v ~2.45 v setting (ta= - 40 >| 105 ) soft start time vdd_ss 0.85 1 1.15 m sec vdd= 1.2 v setting under - voltage protection voltage vdd_ uvp vdd0. 7 vdd0.8 vdd0. 9 v swb h s ide on r esist ance ron h _ swb >+ 300 480 m m m m m 7 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? electrical characteristics ( unless otherwise specified, ta=25 , vin, vinb =3.3v ) 3 . vcom amplifier block (vcom) parameter symbol limits unit condition min typ max output voltage range 1 vcom_hot 0.5 x avdd - 4 .0 0.5 x avdd 0.5 x avdd + 4 . 0 v 4 0 mv step output voltage range2 vcom_cold vcom hot - 0.63 - vcom hot v 10mv step output voltage range3 vcom_cal vcom hot - 0.63 vcom hot vcom hot +0.63 v v 10mv step output voltage range4 vcom_rng 0.2xavdd - 0. 7 x avdd v calibration resolution res_ cal >+ 7 >+ bit integral non - l inearity error (inl) inl _cal - 1 >+ +1 lsb differential non - l inearity error (dnl) dnl cal - 1 >+ +1 lsb output current a bility (source) isource >+ 200 >+ ma output current a bility (sink) is ink >+ 200 >+ ma load stability vload >+ 10 70 mv io= - 15ma to +15ma slew rate sr 30 6 0 80 v/sec 4 . positive charge pump block (vgh) parameter symbol limits unit condition min typ max output voltage range 1 vgh _hot 8.0 >+ 35 v 0.2v step output voltage range 2 vgh _cold vgh hot - vgh hot +15v v 0.2v step *max = 35v output voltage accuracy 1 vgh_r 1 17. 46 18 18. 54 v vgh=18v setting output voltage accuracy 2 vgh_r 2 17. 1 18 18. 9 v vgh=18v setting (ta= - 40 >| 105 ) soft start time vgh_ss 4.25 5 5.75 msec vgh=18v setting under - voltage protection voltage vgh _ uvp vgh0. 7 vgh0.8 vgh0. 9 v drp h s ide on r esist ance ron_ drph >+ 10 20 8 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? electrical characteristics ( unless otherwise specified, ta=25 , vin, vinb =3.3v ) 6 . temperature compensation block ( ntc ) parameter symbol limits unit condition min typ max ntc hot voltage vntc_h 0.475 0.5 0.525 v ntc cold voltage vntc_h 1.1875 1.25 1.3125 v ntc current intc 36 40 44 a ntc resolution res_ntc >+ 4 >+ bit 7 . gate pulse modulation block ( gpm ) parameter symbol limits unit condition min typ max gpm high switch on resistance ron_gpmh >+ 15 30 9 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? electrical characteristics ( unless otherwise specified, ta=25 , vin, vinb =3.3v ) 8. overall (entire device) parameter symbol limits unit condition min typ max inside r egulator v oltage vreg o utput v oltage vreg 2.15 2.3 2.45 v load stability % v >+ 20 100 mv ivreg= 5 ma oscillator b lock oscillating f requency 1 fosc1 475 5 25 575 khz oscillating f requency 2 fosc2 9 5 0 10 5 0 1 1 5 0 khz oscillating f requency 3 fosc 3 1 9 00 2 1 00 2 3 00 khz under voltage lock out (uvlo) circuit uvlo release voltage vuvlo 1 2. 5 2. 55 2. 6 v uvlo detection voltage v uvlo2 2.0 2.1 2. 2 v hysteresis vhys_uvl >+ 0.45 >+ v reset circuit b lock reset voltage range vrst 0.6 >+ 3.3 v 0.1v step reset voltage accuracy v rst _r 1 1.9 2.0 2.1 v v rst=2.0 v setting hysteresis vhys_rst >+ 0.1 >+ v reset delay time range t_delay2 0 >+ 40 msec fault / pg / rst s ignal o utput b lock output o ff l eak c urrent i l >+ 0 10 a output o n r esist ance ron_ o >+ 1 2 k k k 10 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves q ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 3. standby current(en=l) figure 4. circuit current(en=h,no switching) figure 5. switching frequency ( dependent on input voltage) figure 6. switching frequency ( dependent on temperature) 0 2 4 6 8 10 12 14 16 18 20 2.6 3.1 3.6 4.1 4.6 5.1 input current [ua] vin [v] ta=25 ta=105 ta= - 40 0.95 1.00 1.05 1.10 1.15 -40 -20 0 20 40 60 80 100 frequency [mhz] ta [ ] vin=3.3v vin=2.6v vin=5.5v 0.95 1.00 1.05 1.10 1.15 2.6 3.1 3.6 4.1 4.6 5.1 frequency [mhz] vin [v] ta=105 ta=25 ta= - 40 0 1 2 3 4 5 2.6 3.1 3.6 4.1 4.6 5.1 input current [ma] vin [v] ta=25 ta=105 ta= - 40 11 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves r ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) f igure 7. h/l threshold voltage (control signals) figure 8. power on waveform (when operated by en control, function select = pg) figure 9. power off waveform (when operated by en control, function select = pg) figure 10. power on waveform (when operated with en=vcc, function select = pg) en(4v/div.) vgh(4v/div.) gsout(4v/div.) vdd(4v/div.) vcom(4v/div.) pavdd(4v/div.) avdd(4v/div.) vgl(4v/div.) 10msec/div. 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 vreg [v] en [v] ta=105 ta=25 ta= - 40 en(4v/div.) vgh(4v/div.) gsout(4v/div.) vdd(4v/div.) vcom(4v/div.) pavdd(4v/div.) avdd(4v/div.) vgl(4v/div.) 10msec/div. vin, en (4v/div.) vgh(4v/div.) gsout(4v/div.) vdd(4v/div.) vcom(4v/div.) pavdd(4v/div.) avdd(4v/div.) vgl(4v/div.) 10msec/div. 12 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves s ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 11. power off waveform (when operated with en=vcc, function select = pg) figure 12. power on waveform (when operated by en control, function select = ldsw) figure 13. power off waveform (when operated by en control, function select = ldsw) figure 14. power on waveform (when operated with en=vcc, function select = ldsw) vgh(4v/div.) gsout(4v/div.) vdd(4v/div.) vcom(4v/div.) pavdd(4v/div.) vgl(4v/div.) avdd(4v/div.) vin(4v/div.) 10msec/div. vgh(4v/div.) gsout(4v/div.) vdd(4v/div.) vcom(4v/div.) pavdd(4v/div.) avdd(4v/div.) vgl(4v/div.) vin, en (4v/div.) 10msec/div. vin(4v/div.) vgh(4v/div.) gsout(4v/div.) vdd(4v/div.) vcom(4v/div.) pavdd(4v/div.) vgl(4v/div.) avdd(4v/div.) 10msec/div. vin, en (4v/div.) vgh(4v/div.) gsout(4v/div.) vdd(4v/div.) vcom(4v/div.) vgl(4v/div.) pavdd(4v/div.) avdd(4v/div.) 10msec/div. 13 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves t ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 15. power off waveform (when operated with en=vcc, function select = ldsw) figure 16. efficiency (vdd dc/dc mode) figure 17. output voltage accuracy (vdd dc/dc mode, dependent on input voltage) figure 18. output voltage accuracy (vdd dc/dc mode, dependent on temperature) 0 10 20 30 40 50 60 70 80 90 100 1 10 100 1000 efficiency [ % ] load [ma] vdd=2.5v 1.05mhz ta=25 vin=3.3v vin=2.6v vin=5.5v -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 0.9 1.4 1.9 2.4 2.9 3.4 output voltage [%] setting voltage [v] vin=3.3v vin=2.6v vin=5.5v 100msec/div. vgh(4v/div.) gsout(4v/div.) vdd(4v/div.) vcom(4v/div.) pavdd(4v/div.) avdd(4v/div.) vgl(4v/div.) vin, en (4v/div.) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 -40 -20 0 20 40 60 80 100 output voltage [%] ta [ ] vin=3.3v vin=2.7v vin=5.5v 14 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical perfo rmance curves u ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 19. phase margin (vdd dc/dc mode) figure 20. load regulation (vdd dc/dc mode) figure 21. load transient (vdd dc/dc mode) figure 22. switching waveform (vdd dc/dc mode) iout (0.1a/div.) vdd (100mv/div.) 100usec/div. load 0ma o 200ma -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 output voltage [%] load [a] ta=105 ta=25 ta= - 40 vdd(ac, 5mv/div.) swb(3v/div.) il(0.2a/div.) iout(0.2a/div.) 2usec/div. vin=3.3v vdd=1.8v 2.1mhz ta=25 load=200ma 15 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves v ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 23. efficiency (vdd ldo mode) figure 24. output voltage accuracy (vdd ldo mode, dependent on input voltage) figure 25. output voltage accuracy (vdd ldo mode, dependent on temperature) figure 26. phase margin (vdd ldo mode) -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 0.9 1.4 1.9 2.4 2.9 3.4 output voltage [%] setting voltage [v] vin=3.3v vin=2.6v vin=5.5v -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 -40 -20 0 20 40 60 80 100 output voltage [%] ta [ ] vin=3.3v vin=2.6v vin=5.5v vin=3.3v vdd=2.5v ta=25 load=250ma 0 10 20 30 40 50 60 70 80 90 100 1 10 100 efficiency [ % ] load [ma] vin=3.3v vin=5.5v vin=2.6v 16 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves w ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 27. load regulation (vdd ldo mode) figure 28. load transient (vdd ldo mode) figure 29. efficiency (avdd) figure 30. output voltage accuracy (avdd, dependent on input voltage) -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 5 7 9 11 13 15 17 output voltage [%] setting voltage [v] vin=3.3v vin=2.6v vin=5.5v iout (0.1a/div.) vdd (100mv/div.) 100usec/div. load 10ma o 200ma 0 10 20 30 40 50 60 70 80 90 100 1 10 100 efficiency [ % ] load [ma] vin=3.3v vin=2.6v vin=5.5v -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0 100 200 300 400 500 600 output voltage [%] load [ma] ta=105 ta=25 ta= - 40 17 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves x ( unless otherwise specified vin=3.3 v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 31. output voltage accuracy (avdd, dependent on temperature) figure 32. phase margin (avdd) figure 33. load regulation (avdd) figure 34. load transient (avdd) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0 50 100 150 200 output voltage [%] load [ma] ta=105 ta=25 ta= - 40 iout (0.1a/div.) avdd (100mv/div.) 100usec/div. load 0ma o 100ma -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 -40 -20 0 20 40 60 80 100 output voltage [%] ta [ ] vin=3.3v vin=2.6v vin=5.5v 2.1mhz ta=25 load=200ma 18 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves y ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 35. switching waveform (avdd) figure 36. output current (vcom) figure 37. dac inl (vcom) figure 38. dac dnl (vcom) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 e4 d0 bc a8 94 80 14 28 3c 50 64 dnl [lsb] data [hex] avdd=15v vcom=3.5v ~ 11.5v ta=105 ta=25 ta= - 40 0 2 4 6 8 10 12 -400 -300 -200 -100 0 100 200 300 400 output voltage [v] load [ma] avdd=13v vcom=6.5v setting ta=105 ta=25 ta= - 40 -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 e4 d0 bc a8 94 80 14 28 3c 50 64 inl [lsb] data [hex] avdd=15v vcom=3.5v ~ 11.5v ta=25 ta=105 ta= - 40 avdd(ac, 20mv/div.) sw(10v/div.) il(0.2a/div.) iout(0.2a/div.) 2usec/div. 19 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves z ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 39. slew rate (vcom, rise) figure 40. slew rate (vcom, fall) figure 41. load regulation (vcom) figure 42. ntc function (vcom) vcom 2[v/div.] avdd=13v vcom 2[v/div.] avdd=13v -70 -60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 -15 -10 -5 0 5 10 15 load stability [mv] load [ma] ta=105 ta=25 ta= - 40 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1 6.3 6.5 0.3 0.5 0.7 0.9 1.1 1.3 1.5 output voltage [v] ntc [v] vcom hot =5.93v vcom cold=4.97v 20 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves { ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 43. efficiency (vgh) figure 44. output voltage accuracy (vgh, dependent on input voltage) figure 45. output voltage accuracy (vgh, dependent on temperature) figure 46. phase margin (vgh) 3 stage 1.05mhz load=10ma -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 8 11 14 17 20 23 26 29 32 35 output voltage [%] setting voltage [v] avdd=10.5v avdd=17v avdd=8v -5 -4 -3 -2 -1 0 1 2 3 4 5 -40 -20 0 20 40 60 80 100 output voltage [%] ta [ ] avdd=10.5v avdd=17v avdd=8v 0 10 20 30 40 50 60 70 80 90 100 1 5 25 efficiency [ % ] load [ma] vgh=18v 3 stage avdd=10.5v avdd=17v avdd=8v 21 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves | ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 47. load regulation (vgh) figure 48. load transient (vgh) figure 49. switching waveform (vgh) figure 50. ntc function (vgh) 13 14 15 16 17 18 19 20 21 22 0.3 0.5 0.7 0.9 1.1 1.3 1.5 output voltage [v] ntc [v] vgh hot =15v vgh cold=20v vgh(ac, 100mv/div.) drp(10v/div.) cpp1(10v/div.) cpp2(10v/div.) 2usec/div. iout(20ma/div.) iout (10ma/div.) vgh (700mv/div.) 100usec/div. load 0ma o 10ma -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0 2 4 6 8 10 output voltage [%] load [ma] ta=105 ta=25 ta= - 40 22 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves } ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 51. efficiency (vgl) figure 52. output voltage accuracy (vgl, dependent on input voltage) figure 53. output voltage accuracy (vgl, dependent on temperature) figure 54. phase margin (vgl) 0 10 20 30 40 50 60 70 80 90 100 1 5 25 efficiency [ % ] load [ma] avdd=10.5v avdd=17v avdd=8v -5 -4 -3 -2 -1 0 1 2 3 4 5 -40 -20 0 20 40 60 80 100 output voltage [%] ta [ ] avdd=10.5v avdd=17v avdd=8v 1.05mhz load=10ma -3 -2 -1 0 1 2 3 -14 -12 -10 -8 -6 -4 output voltage [%] setting voltage [v] avdd=10.5v avdd=17v avdd=8v 23 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves ~ ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 55. load regulation (vgl) figure 56. load transient (vgl) figure 57. switching waveform (vgl) figure 58. ntc current 36 38 40 42 44 -40 -20 0 20 40 60 80 100 ntc current [ua] ta [ ] vin=3.3v vin=2.6v vin=5.5v iout (10ma/div.) vgl (100mv/div.) 100usec/div. load 1ma o 10ma -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0 2 4 6 8 10 output voltage [%] load [ma] ta=105 ta=25 ta= - 40 vgl(ac, 20mv/div.) drn(5v/div.) iout(10ma/div.) 2usec/div. 24 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? typical performance curves ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) figure 59. propagation delay (gpm, rise) figure 60. propagation delay (gpm, fall) figure 61. waveform (gpm) gsin (2v/div.) gsout (4v/div.) 25nsec/div. gsin (2v/div.) 0.1usec setting 0.5usec setting 1.0usec setting 1.5usec setting 250nsec/div. gsout (4v/div.) gsin (2v/div.) gsout (4v/div.) 10usec/div. 25 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? application example 1 ( when operated by en control) application circuit components list ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v ) parts name value unit company parts number comment min (note 1) typ max c_vin 10 10 x 2 - 1 2 3 4 5 7 6 9 1 0 1 1 1 2 1 4 1 3 1 7 1 8 1 9 2 1 2 0 2 5 2 6 2 8 2 7 8 1 6 1 5 2 2 2 4 2 3 2 9 3 0 3 2 3 1 e n s w b r s t s c l s d a v r e g p g / l d s w f a u l t v i n v d d n t c r e v l s o s w a v d d v c o m v g l d r n c p p 1 d r p v c p c p p 2 v g h g s o u t g s i n v i n v i n v i n a v d d 26 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m c_vcp - 1.0 - k k k k k k k 27 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? timing chart1 v g l s o f t s t a r t t i m e 5 m s ( w h e n 1 8 v i s s e t ) a v d d v g l v c o m v g h l o a d s w o n v i n l e v e l v c o m ? a v d d l e v e l d e l a y 1 ( 0 3 0 0 m s ) s o f t s t a r t t i m e 5 m s ( w h e n 1 0 . 5 v i s s e t ) s o f t s t a r t t i m e 5 m s ( w h e n - 6 v i s s e t ) a v d d v i n e n v r e g v d d 9 0 % e n a b l e = l ? h v c c u v l o r e l e a s e v c c = 2 . 5 5 v ( i n n e r l o g i c , r e s e t e e p r o m ) d i s c h a r g e 0 5 m s e e r o m d i s c h a r g e 1 m s ( w h e n v d d = 1 . 2 v ) v d d e e p r o m r e g i s t e r d a t a w r i t e - a b l e z o n e e e p r o m a u t o r e a d g s o u t d e l a y 4 ( 0 4 0 m s ) r s t p g d e l a y 2 ( 0 4 0 m s ) d e l a y 3 ( 0 4 0 m s ) f a u l t r e s e t m o n i t o r i s s e t t i n g v d d . 28 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m v c o m v g h v i n e n v r e g v d d a v d d v g l e n a b l e = h ? l e e r o m d i s c h a r g e a v d d d i s c h a r g e v g l h i - z d e l a y 5 ( 0 1 0 m s ) v c c u v l o d e t e c t v c o m d i s c h a r g e v g h h i - z v g l d i s c h a r g e v g h d i s c h a r g e v d d d i s c h a r g e e e p r o m r e g i s t e r d a t a w r i t e - a b l e z o n e g s o u t r s t p g f a u l t 29 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? application example 2 ( when operated with en= vcc condition ) ? timing chart2 v g l a v d d v g l v c o m v g h l o a d s w o n v i n l e v e l a v d d l e v e l d e l a y 1 ( 0 3 0 0 m s ) a v d d v r e g v d d 9 0 % d i s c h a r g e 0 5 m s e e r o m d i s c h a r g e 1 m s ( w h e n v d d = 1 . 2 v ) v d d e e p r o m a u t o r e a d v i n , v i n b , e n t h e o r d e r o f s t a r t i n g v d d c a n b e c h a n g e d b y t h e r e g i s t e r s e t t i n g . e e p r o m r e g i s t e r d a t a w r i t e - a b l e z o n e s o f t s t a r t t i m e 5 m s ( w h e n 1 0 . 5 v i s s e t ) s o f t s t a r t t i m e 5 m s ( w h e n - 6 v i s s e t ) v c c u v l o r e l e a s e v c c = 2 . 5 5 v ( i n n e r l o g i c , r e s e t e e p r o m ) s o f t s t a r t t i m e 5 m s ( w h e n 1 8 v i s s e t ) g s o u t d e l a y 4 ( 0 4 0 m s ) r s t p g d e l a y 2 ( 0 4 0 m s ) d e l a y 3 ( 0 4 0 m s ) f a u l t r e s e t m o n i t o r i s s e t t i n g v d d . 30 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m v c o m v g h v i n , v i n b , e n v r e g v d d a v d d v g l e e r o m d i s c h a r g e v g l d i s c h a r g e v g h d i s c h a r g e * d i s c h a r g e e n a b l e v d d d i s c h a r g e a v d d d i s c h a r g e e e p r o m r e g i s t e r d a t a w r i t e - a b l e z o n e v c c u v l o d e t e c t g s o u t r s t p g f a u l t 31 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? application example 3 (using ldsw mode) in case of activating in order of vgl => avdd => vgh, changing the application contracture to fol lowing make is possible . in this case please set register0 8 h ( function select) of the eeprom to "1". application circuit components list ( unless otherwise specified vin=3.3v, vdd=2.5v, avdd=10 .5 v, vgh = 18 v, vgl= - 6.0 v, vcom=5 .25 v and t a =25 ) parts name value unit company parts number comment min (note 1) typ max c_vin 10 10 x 2 - k a v d d 1 2 3 4 5 7 6 9 1 0 1 1 1 2 1 4 1 3 1 7 1 8 1 9 2 1 2 0 2 5 2 6 2 8 2 7 8 1 6 1 5 2 2 2 4 2 3 2 9 3 0 3 2 3 1 e n s w b r s t s c l s d a v r e g p g / l d s w f a u l t v d d n t c r e v l s o s w v c o m v g l d r n c p p 1 d r p v c p c p p 2 v g h g s o u t g s i n v i n v i n a v d d 32 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m c_ldsw - 1.0 - k k k k k k k 33 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? timing chart3 v g l s o f t s t a r t t i m e 5 m s ( w h e n 1 8 v i s s e t ) a v d d v g l v c o m v g h l o a d s w o n v i n l e v e l v c o m ? a v d d l e v e l d e l a y 1 ( 0 3 0 0 m s ) s o f t s t a r t t i m e 5 m s ( w h e n 1 0 . 5 v i s s e t ) s o f t s t a r t t i m e 5 m s ( w h e n - 6 v i s s e t ) a v d d v i n , v i n b e n v r e g v d d 9 0 % e n a b l e = l ? h v c c u v l o r e l e a s e v c c = 2 . 5 5 v ( i n n e r l o g i c , r e s e t e e p r o m ) d i s c h a r g e 0 5 m s e e r o m d i s c h a r g e 1 m s ( w h e n v d d = 1 . 2 v ) v d d e e p r o m r e g i s t e r d a t a w r i t e - a b l e z o n e e e p r o m a u t o r e a d g s o u t d e l a y 4 ( 0 4 0 m s ) r s t l d s w d e l a y 2 ( 0 4 0 m s ) d e l a y 3 ( 0 4 0 m s ) f a u l t p a v d d r e s e t m o n i t o r i s s e t t i n g v d d . 34 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m v c o m v g h v i n , v i n b e n v r e g v d d a v d d v g l e n a b l e = h ? l e e r o m d i s c h a r g e a v d d d i s c h a r g e v g l h i - z d e l a y 5 ( 0 1 0 m s ) v c c u v l o d e t e c t v c o m d i s c h a r g e v g h h i - z v g l d i s c h a r g e v g h d i s c h a r g e v d d d i s c h a r g e e e p r o m r e g i s t e r d a t a w r i t e - a b l e z o n e g s o u t r s t l d s w f a u l t 35 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? serial communication this ic has two device - address - differential eeprom installed and data is send or received to/from eeprom using 2 - line serial interface (scl, sda). communication format for data sending or receiving to/from each eeprom is shown below. eeprom i2c format for dvr (vcom calibrator) when device a ddress = 1001111(r/w) is selected, data is read or write eeprom for dvr >& vcom calibrator >' . during write mode when p=1, the sending data is written only to register. when wpn=low and p= 0 , the sending data is written only to register. when wpn=high and p=0, the sending data is written both to register and eeprom. during read mode the last bit of received data is dont care. C r/w ack ack 1 0 0 1 1 1 1 0 0 d6 d5 d4 d3 d2 d1 d0 p 0 r/w ack ack 1 0 0 1 1 1 1 1 0 d6 d5 d4 d3 d2 d1 d0 x 1 data stop data stop device address device address write operation read operation start start 36 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m eeprom i2c format for power management ic (pmic) device address of bm81810muv - m is 1000 000x. multi write is possible until register 00h ~ 0dh. * in the mass production shipment process, please write start - up ( 0ch[7] ) to "1" in eeprom. the following are the settings if you want to send the data by i2c. ? wpn timing wpn is normally fixed as low. in case of writing to eeprom, wpn is set to high , and the timing will be as below. because the maximum of the auto - read time fro m eeprom is5ms, please between e n signal and i2c input than 5ms. also, because the maximum o f writing time to eeprom is 50ms, please between i2c stop signal an d en falling signal than 50ms. en wpn start - up( 0ch[7] ) pmic ( 00h ~ 0dh) output function 1 low low - - shutdown 2 high low - register active 3 high high 0* register & eeprom shutdown 4 high high 1 register & eeprom active figure 72. figure 73. v i n w p n e e p r o m d a t a a u t o r e a d > 5 m s e c s t a r t d e v i c e a d d r e s s a c k r e g i s t e r a d d r e s s a c k d a t a a c k d a t a a c k d a t a a c k s t o p ? ? ? ? ? e e p r o m w r i t e t i m e > 5 0 m s e c t s u ; w p n > 0 u s e c s c l s d a t h d ; w p n > 1 0 u s e c e n r e s t a r t ? d e v i c e a d d r e s s ? 1 0 0 0 _ 0 0 0 0 i n p u t d a t a t o r e g i s t e r w r i t e y e s d e v i c e a d d r e s s w p n w r i t e d a t a t o e e p r o m e n d p r o c e s s o u t p u t r e g i s t e r d a t a h i g h l o w r e c e i v e r e g i s t e r a d d r e s s n o r e a d 1 0 0 0 _ 0 0 0 1 r/w ack ack ack 1 0 0 0 0 0 0 0 0 0 0 r/w ack ack ack ack 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 write operation start device address register address 00h 0dh, 10h, 11h read operation start device address register address 00h 0dh, 10h, 11h n-bytes data n-bytes data device address stop stop repeated start 37 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? i2c timing diagram timing standard values parameter symbol norma l mode fast mode unit min typ max min typ max scl frequency >d scl - - 100 - - 400 khz scl high time thigh 4.0 - - 0.6 - - us scl low time tlow 4.7 - - 1.2 - - us rise time tr - - 1.0 - - 0.3 us fall time tf - - 0.3 - - 0.3 us start condition hold time thd >9 sta 4.0 - - 0.6 - - us start condition setup time tsu >9 sta 4.7 - - 0.6 - - us sda hold time thd >9 dat 0 - - 0 - - ns sda setup time tsu >9 dat 200 - - 100 - - ns acknowledge delay time tpd - - 0.9 - - 0.9 us acknowledge hold time tdh - 0.1 - - 0.1 - us stop condition setup time tsu >9 sto 4. 0 - - 0.6 - - us bus release time tbuf 4.7 - - 1.2 - - us noise spike width tl - 0.1 - - 0.1 - us figure 74. i2c timing diagram t b u f t h d : s t a t s u ; d a t t r t l o w t h i g h t h d ; d a t t d h t p d t f s c l s d a ( i n ) s d a ( o u t ) t s u ; s t a t h d ; s t a t l t s u ; s t o s c l s d a s p s s t a r t b i t p s t o p b i t 7 0 % 3 0 % 7 0 % 7 0 % 3 0 % 7 0 % 3 0 % 7 0 % 3 0 % 38 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? automatic eeprom read function at start - up upon b m81810 m uv - m start - up, a reset signal is generated and each r egister is initialized . after vreg activation is finished , data which is stored in the eeprom is copied to the r egister s . the automatic eeprom read function at start - up is further explained by the flow chart below . figure 75. automatic eeprom read f unction at s tart - up v r e g a c t i v e e e p r o m r e a d t r a n s f e r d a t a r e g i s t e r s t a r t o p e r a t i o n c h e c k s u m 3 t i m e s n g ? s h u t d o w n o k n g n o y e s 39 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? eeprom parameter setting when start - up bit(reg0ch[7]) is eeprom / main register map ( device address : 1000000x ) device address: 1000000x (pmic) register address bits function resolution comments device address: 1001111x (vcom) register address bits function resolution comments - 7 vcom calibrator +/- 0.01v [ vcom +/- 0.63v] vcom calibrator 40 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? register map device address : 1000000x (pmic) register address d6 d5 d4 d3 d2 d1 d0 p default - p 80h vcom calibration voltage device address : 1001111x (vcom) register address d7 d6 d5 d4 d3 d2 d1 d0 default 00h 68h 01h 59h 02h vgh ntc enable 83h 03h 3bh 04h 80h 05h vcom ntc enable 99h 06h vdd phase select vdd mode 20h 07h reset monitor select 04h 08h function select 09h 09h data refresh doublereg 13h 0ah vgh discharge enable ar_time 87h 0bh avdd comp avdd ocp select 3ch 0ch start-up bit vgh mode select 05h 0dh 60h 10h avdd uvp vdd uvp vgh uvp vgl uvp double register error avdd ocp tsd check sum error 00h vdd output voltage avdd output voltage vgh hot output voltage S S 41 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? command table 00h 01h 03h 04h data (hex) avdd output voltage [7:0] vgh hot output voltage [7:0] vgh ntc enable [7] S S 42 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m 00h 01h 03h 04h data (hex) avdd output voltage [7:0] vgh hot output voltage [7:0] vgh ntc enable [7] S S 43 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m 0dh data (hex) dataref [7] delay3 time [6:4] doublereg [3] delay2 time [2:0] vgh discharge enable [7] delay5 time [6:4] ar_time [3] delay4 time [2:0] avdd comp [7] avdd ocp select [6] avdd ss time [5:4] avdd sw slew rate [3:2] avdd coil [1:0] start-up bit [7] vgh mode select [6] vgh/vgl frequenc y [5:4] vdd frequenc y [3:2] avdd frequenc y [1:0] check sum [7:0] 00h 0 msec 0 msec avc_set1 2.1mhz 2.1mhz 01h 5 msec 5 msec avc_set2 1.05mhz 1.05mhz 02h 10 msec 10 msec avc_set3 03h 15 msec 15 msec avc_set4 04h 20 msec 20 msec avc_set1 2.1mhz 2.1mhz 05h 25 msec 25 msec avc_set2 1.05mhz 1.05mhz 06h 30 msec 30 msec avc_set3 07h 40 msec 40 msec avc_set4 08h 0 msec 0 msec avc_set1 2.1mhz 2.1mhz 09h 5 msec 5 msec avc_set2 1.05mhz 1.05mhz 0ah 10 msec 10 msec avc_set3 0bh 15 msec 15 msec avc_set4 0ch 20 msec 20 msec avc_set1 2.1mhz 2.1mhz 0dh 25 msec 25 msec avc_set2 1.05mhz 1.05mhz 0eh 30 msec 30 msec avc_set3 0fh 40 msec 40 msec avc_set4 10h 0 msec 0 msec avc_set1 1.05mhz 2.1mhz 11h 5 msec 5 msec avc_set2 525khz 1.05mhz 12h 10 msec 10 msec avc_set3 13h 15 msec 15 msec avc_set4 14h 20 msec 20 msec avc_set1 1.05mhz 2.1mhz 15h 25 msec 25 msec avc_set2 525khz 1.05mhz 16h 30 msec 30 msec avc_set3 17h 40 msec 40 msec avc_set4 18h 0 msec 0 msec avc_set1 1.05mhz 2.1mhz 19h 5 msec 5 msec avc_set2 525khz 1.05mhz 1ah 10 msec 10 msec avc_set3 1bh 15 msec 15 msec avc_set4 1ch 20 msec 20 msec avc_set1 1.05mhz 2.1mhz 1dh 25 msec 25 msec avc_set2 525khz 1.05mhz 1eh 30 msec 30 msec avc_set3 1fh 40 msec 40 msec avc_set4 20h 0 msec 0 msec avc_set1 525khz 2.1mhz 21h 5 msec 5 msec avc_set2 256khz 1.05mhz 22h 10 msec 10 msec avc_set3 23h 15 msec 15 msec avc_set4 24h 20 msec 20 msec avc_set1 525khz 2.1mhz 25h 25 msec 25 msec avc_set2 256khz 1.05mhz 26h 30 msec 30 msec avc_set3 27h 40 msec 40 msec avc_set4 28h 0 msec 0 msec avc_set1 525khz 2.1mhz 29h 5 msec 5 msec avc_set2 256khz 1.05mhz 2ah 10 msec 10 msec avc_set3 2bh 15 msec 15 msec avc_set4 2ch 20 msec 20 msec avc_set1 525khz 2.1mhz 2dh 25 msec 25 msec avc_set2 256khz 1.05mhz 2eh 30 msec 30 msec avc_set3 2fh 40 msec 40 msec avc_set4 30h 0 msec 0 msec avc_set1 525khz 2.1mhz 31h 5 msec 5 msec avc_set2 256khz 1.05mhz 32h 10 msec 10 msec avc_set3 33h 15 msec 15 msec avc_set4 34h 20 msec 20 msec avc_set1 525khz 2.1mhz 35h 25 msec 25 msec avc_set2 256khz 1.05mhz 36h 30 msec 30 msec avc_set3 37h 40 msec 40 msec avc_set4 38h 0 msec 0 msec avc_set1 525khz 2.1mhz 39h 5 msec 5 msec avc_set2 256khz 1.05mhz 3ah 10 msec 10 msec avc_set3 3bh 15 msec 15 msec avc_set4 3ch 20 msec 20 msec avc_set1 525khz 2.1mhz 3dh 25 msec 25 msec avc_set2 256khz 1.05mhz 3eh 30 msec 30 msec avc_set3 3fh 40 msec 40 msec avc_set4 40h 0 msec 0 msec avc_set1 2.1mhz 2.1mhz 41h 5 msec 5 msec avc_set2 1.05mhz 1.05mhz 42h 10 msec 10 msec avc_set3 43h 15 msec 15 msec avc_set4 44h 20 msec 20 msec avc_set1 2.1mhz 2.1mhz 45h 25 msec 25 msec avc_set2 1.05mhz 1.05mhz 46h 30 msec 30 msec avc_set3 47h 40 msec 40 msec avc_set4 48h 0 msec 0 msec avc_set1 2.1mhz 2.1mhz 49h 5 msec 5 msec avc_set2 1.05mhz 1.05mhz 4ah 10 msec 10 msec avc_set3 4bh 15 msec 15 msec avc_set4 4ch 20 msec 20 msec avc_set1 2.1mhz 2.1mhz 4dh 25 msec 25 msec avc_set2 1.05mhz 1.05mhz 4eh 30 msec 30 msec avc_set3 4fh 40 msec 40 msec avc_set4 50h 0 msec 0 msec avc_set1 1.05mhz 2.1mhz 51h 5 msec 5 msec avc_set2 525khz 1.05mhz 52h 10 msec 10 msec avc_set3 53h 15 msec 15 msec avc_set4 54h 20 msec 20 msec avc_set1 1.05mhz 2.1mhz 55h 25 msec 25 msec avc_set2 525khz 1.05mhz 56h 30 msec 30 msec avc_set3 57h 40 msec 40 msec avc_set4 58h 0 msec 0 msec avc_set1 1.05mhz 2.1mhz 59h 5 msec 5 msec avc_set2 525khz 1.05mhz 5ah 10 msec 10 msec avc_set3 5bh 15 msec 15 msec avc_set4 5ch 20 msec 20 msec avc_set1 1.05mhz 2.1mhz 5dh 25 msec 25 msec avc_set2 525khz 1.05mhz 5eh 30 msec 30 msec avc_set3 5fh 40 msec 40 msec avc_set4 60h 0 msec 0 msec avc_set1 525khz 2.1mhz 61h 5 msec 5 msec avc_set2 256khz 1.05mhz 62h 10 msec 10 msec avc_set3 63h 15 msec 15 msec avc_set4 64h 20 msec 20 msec avc_set1 525khz 2.1mhz 65h 25 msec 25 msec avc_set2 256khz 1.05mhz 66h 30 msec 30 msec avc_set3 67h 40 msec 40 msec avc_set4 68h 0 msec 0 msec avc_set1 525khz 2.1mhz 69h 5 msec 5 msec avc_set2 256khz 1.05mhz 6ah 10 msec 10 msec avc_set3 6bh 15 msec 15 msec avc_set4 6ch 20 msec 20 msec avc_set1 525khz 2.1mhz 6dh 25 msec 25 msec avc_set2 256khz 1.05mhz 6eh 30 msec 30 msec avc_set3 6fh 40 msec 40 msec avc_set4 70h 0 msec 0 msec avc_set1 525khz 2.1mhz 71h 5 msec 5 msec avc_set2 256khz 1.05mhz 72h 10 msec 10 msec avc_set3 73h 15 msec 15 msec avc_set4 74h 20 msec 20 msec avc_set1 525khz 2.1mhz 75h 25 msec 25 msec avc_set2 256khz 1.05mhz 76h 30 msec 30 msec avc_set3 77h 40 msec 40 msec avc_set4 78h 0 msec 0 msec avc_set1 525khz 2.1mhz 79h 5 msec 5 msec avc_set2 256khz 1.05mhz 7ah 10 msec 10 msec avc_set3 7bh 15 msec 15 msec avc_set4 7ch 20 msec 20 msec avc_set1 525khz 2.1mhz 7dh 25 msec 25 msec avc_set2 256khz 1.05mhz 7eh 30 msec 30 msec avc_set3 7fh 40 msec 40 msec avc_set4 regitser address 09h 0ah 0bh 0ch 525khz 525khz slow1 1.05mhz disable enable 0 msec 0.5 sec av_com p_set 1 2.0 a enable 1.0 sec enable 1.0 sec 525khz 525khz enable 1.0 sec 10 msec fast1 525khz 525khz 525khz 5 msec slow2 disable x3 mode 2.1mhz disable 0 msec 525khz 525khz 5 msec disable 2 msec 0.5 sec 15 msec slow2 2.1mhz 256khz 525khz slow1 1.05mhz 256khz 525khz fast2 20 msec fast1 525khz 256khz 525khz fast2 256khz 525khz slow2 2.1mhz 128khz 525khz slow1 1.05mhz 128khz 525khz 10 msec disable 4 msec 0.5 sec 5 msec enable 1.0 sec 128khz 525khz 15 msec disable 6 msec 0.5 sec 15 msec slow2 10 msec fast1 525khz 128khz 525khz fast2 2.1mhz 128khz 525khz slow1 1.05mhz 128khz 525khz 20 msec fast1 525khz 128khz 525khz fast2 128khz 525khz 2.1mhz 525khz 525khz slow1 1.05mhz 525khz 525khz 8 msec 0.5 sec 1.0 a 5 msec slow2 x2 mode 1.0 sec 10 msec fast1 10 msec 20 msec disable enable disable 525khz 525khz 525khz fast2 525khz 525khz 25 msec 0.5 sec 15 msec slow2 525khz 256khz 525khz slow1 1.05mhz 256khz 525khz 525khz fast2 256khz 525khz enable 1.0 sec 20 msec fast1 2.1mhz 256khz slow2 525khz 128khz 525khz slow1 1.05mhz 128khz 525khz 30 msec disable 0.5 sec 5 msec enable 1.0 sec enable 128khz 525khz 40 msec disable 0.5 sec 15 msec slow2 525khz 10 msec fast1 2.1mhz 128khz 525khz fast2 fast2 128khz 525khz 1.0 sec 20 msec fast1 2.1mhz 128khz 525khz 128khz 525khz slow1 1.05mhz 128khz 525khz 44 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m 0dh data (hex) dataref [7] delay3 time [6:4] doublereg [3] delay2 time [2:0] vgh discharge enable [7] delay5 time [6:4] ar_time [3] delay4 time [2:0] avdd comp [7] avdd ocp select [6] avdd ss time [5:4] avdd sw slew rate [3:2] avdd coil [1:0] start-up bit [7] vgh mode select [6] vgh/vgl frequenc y [5:4] vdd frequenc y [3:2] avdd frequenc y [1:0] check sum [7:0] 80h 0 msec 0 msec avc_set1 2.1mhz 2.1mhz 81h 5 msec 5 msec avc_set2 1.05mhz 1.05mhz 82h 10 msec 10 msec avc_set3 83h 15 msec 15 msec avc_set4 84h 20 msec 20 msec avc_set1 2.1mhz 2.1mhz 85h 25 msec 25 msec avc_set2 1.05mhz 1.05mhz 86h 30 msec 30 msec avc_set3 87h 40 msec 40 msec avc_set4 88h 0 msec 0 msec avc_set1 2.1mhz 2.1mhz 89h 5 msec 5 msec avc_set2 1.05mhz 1.05mhz 8ah 10 msec 10 msec avc_set3 8bh 15 msec 15 msec avc_set4 8ch 20 msec 20 msec avc_set1 2.1mhz 2.1mhz 8dh 25 msec 25 msec avc_set2 1.05mhz 1.05mhz 8eh 30 msec 30 msec avc_set3 8fh 40 msec 40 msec avc_set4 90h 0 msec 0 msec avc_set1 1.05mhz 2.1mhz 91h 5 msec 5 msec avc_set2 525khz 1.05mhz 92h 10 msec 10 msec avc_set3 93h 15 msec 15 msec avc_set4 94h 20 msec 20 msec avc_set1 1.05mhz 2.1mhz 95h 25 msec 25 msec avc_set2 525khz 1.05mhz 96h 30 msec 30 msec avc_set3 97h 40 msec 40 msec avc_set4 98h 0 msec 0 msec avc_set1 1.05mhz 2.1mhz 99h 5 msec 5 msec avc_set2 525khz 1.05mhz 9ah 10 msec 10 msec avc_set3 9bh 15 msec 15 msec avc_set4 9ch 20 msec 20 msec avc_set1 1.05mhz 2.1mhz 9dh 25 msec 25 msec avc_set2 525khz 1.05mhz 9eh 30 msec 30 msec avc_set3 9fh 40 msec 40 msec avc_set4 a0h 0 msec 0 msec avc_set1 525khz 2.1mhz a1h 5 msec 5 msec avc_set2 256khz 1.05mhz a2h 10 msec 10 msec avc_set3 a3h 15 msec 15 msec avc_set4 a4h 20 msec 20 msec avc_set1 525khz 2.1mhz a5h 25 msec 25 msec avc_set2 256khz 1.05mhz a6h 30 msec 30 msec avc_set3 a7h 40 msec 40 msec avc_set4 a8h 0 msec 0 msec avc_set1 525khz 2.1mhz a9h 5 msec 5 msec avc_set2 256khz 1.05mhz aah 10 msec 10 msec avc_set3 abh 15 msec 15 msec avc_set4 ach 20 msec 20 msec avc_set1 525khz 2.1mhz adh 25 msec 25 msec avc_set2 256khz 1.05mhz aeh 30 msec 30 msec avc_set3 afh 40 msec 40 msec avc_set4 b0h 0 msec 0 msec avc_set1 525khz 2.1mhz b1h 5 msec 5 msec avc_set2 256khz 1.05mhz b2h 10 msec 10 msec avc_set3 b3h 15 msec 15 msec avc_set4 b4h 20 msec 20 msec avc_set1 525khz 2.1mhz b5h 25 msec 25 msec avc_set2 256khz 1.05mhz b6h 30 msec 30 msec avc_set3 b7h 40 msec 40 msec avc_set4 b8h 0 msec 0 msec avc_set1 525khz 2.1mhz b9h 5 msec 5 msec avc_set2 256khz 1.05mhz bah 10 msec 10 msec avc_set3 bbh 15 msec 15 msec avc_set4 bch 20 msec 20 msec avc_set1 525khz 2.1mhz bdh 25 msec 25 msec avc_set2 256khz 1.05mhz beh 30 msec 30 msec avc_set3 bfh 40 msec 40 msec avc_set4 c0h 0 msec 0 msec avc_set1 2.1mhz 2.1mhz c1h 5 msec 5 msec avc_set2 1.05mhz 1.05mhz c2h 10 msec 10 msec avc_set3 c3h 15 msec 15 msec avc_set4 c4h 20 msec 20 msec avc_set1 2.1mhz 2.1mhz c5h 25 msec 25 msec avc_set2 1.05mhz 1.05mhz c6h 30 msec 30 msec avc_set3 c7h 40 msec 40 msec avc_set4 c8h 0 msec 0 msec avc_set1 2.1mhz 2.1mhz c9h 5 msec 5 msec avc_set2 1.05mhz 1.05mhz cah 10 msec 10 msec avc_set3 cbh 15 msec 15 msec avc_set4 cch 20 msec 20 msec avc_set1 2.1mhz 2.1mhz cdh 25 msec 25 msec avc_set2 1.05mhz 1.05mhz ceh 30 msec 30 msec avc_set3 cfh 40 msec 40 msec avc_set4 d0h 0 msec 0 msec avc_set1 1.05mhz 2.1mhz d1h 5 msec 5 msec avc_set2 525khz 1.05mhz d2h 10 msec 10 msec avc_set3 d3h 15 msec 15 msec avc_set4 d4h 20 msec 20 msec avc_set1 1.05mhz 2.1mhz d5h 25 msec 25 msec avc_set2 525khz 1.05mhz d6h 30 msec 30 msec avc_set3 d7h 40 msec 40 msec avc_set4 d8h 0 msec 0 msec avc_set1 1.05mhz 2.1mhz d9h 5 msec 5 msec avc_set2 525khz 1.05mhz dah 10 msec 10 msec avc_set3 dbh 15 msec 15 msec avc_set4 dch 20 msec 20 msec avc_set1 1.05mhz 2.1mhz ddh 25 msec 25 msec avc_set2 525khz 1.05mhz deh 30 msec 30 msec avc_set3 dfh 40 msec 40 msec avc_set4 e0h 0 msec 0 msec avc_set1 525khz 2.1mhz e1h 5 msec 5 msec avc_set2 256khz 1.05mhz e2h 10 msec 10 msec avc_set3 e3h 15 msec 15 msec avc_set4 e4h 20 msec 20 msec avc_set1 525khz 2.1mhz e5h 25 msec 25 msec avc_set2 256khz 1.05mhz e6h 30 msec 30 msec avc_set3 e7h 40 msec 40 msec avc_set4 e8h 0 msec 0 msec avc_set1 525khz 2.1mhz e9h 5 msec 5 msec avc_set2 256khz 1.05mhz eah 10 msec 10 msec avc_set3 ebh 15 msec 15 msec avc_set4 ech 20 msec 20 msec avc_set1 525khz 2.1mhz edh 25 msec 25 msec avc_set2 256khz 1.05mhz eeh 30 msec 30 msec avc_set3 efh 40 msec 40 msec avc_set4 f0h 0 msec 0 msec avc_set1 525khz 2.1mhz f1h 5 msec 5 msec avc_set2 256khz 1.05mhz f2h 10 msec 10 msec avc_set3 f3h 15 msec 15 msec avc_set4 f4h 20 msec 20 msec avc_set1 525khz 2.1mhz f5h 25 msec 25 msec avc_set2 256khz 1.05mhz f6h 30 msec 30 msec avc_set3 f7h 40 msec 40 msec avc_set4 f8h 0 msec 0 msec avc_set1 525khz 2.1mhz f9h 5 msec 5 msec avc_set2 256khz 1.05mhz fah 10 msec 10 msec avc_set3 fbh 15 msec 15 msec avc_set4 fch 20 msec 20 msec avc_set1 525khz 2.1mhz fdh 25 msec 25 msec avc_set2 256khz 1.05mhz feh 30 msec 30 msec avc_set3 ffh 40 msec 40 msec avc_set4 regitser address 0bh 0ch 09h 0ah 2.1mhz 525khz 525khz slow1 1.05mhz 525khz slow2 2.1mhz 256khz slow2 enable x3 mode slow2 525khz 525khz enable 1.0 sec 10 msec fast1 525khz 525khz av_com p_set 2 2.0 a 5 msec 15 msec 5 msec 10 msec enable 0 msec disable disable 0 msec 0.5 sec 15 msec disable 525khz slow1 1.05mhz 256khz 525khz fast2 525khz 525khz 5 msec disable 2 msec 0.5 sec 6 msec 0.5 sec 525khz fast2 256khz 525khz enable 1.0 sec 20 msec fast1 525khz 256khz 2.1mhz 128khz 525khz slow1 1.05mhz 128khz 525khz 10 msec disable 4 msec 0.5 sec enable 1.0 sec 128khz fast1 525khz 128khz 525khz fast2 128khz 525khz 525khz 20 msec 525khz enable 1.0 sec 20 msec fast1 525khz 128khz 525khz 15 msec slow2 2.1mhz 128khz 525khz slow1 1.05mhz 5 msec slow2 15 msec slow2 fast1 fast2 128khz 525khz 525khz enable 1.0 sec 10 msec fast1 525khz 525khz x2 mode 2.1mhz 525khz 525khz slow1 1.05mhz 525khz slow2 2.1mhz 256khz disable 8 msec 0.5 sec 1.0 a 525khz slow1 1.05mhz 256khz 525khz fast2 525khz 525khz 25 msec disable 10 msec 0.5 sec 525khz fast2 256khz 525khz enable 1.0 sec 20 msec fast1 525khz 256khz 525khz 128khz 525khz fast2 128khz 525khz 2.1mhz 128khz 525khz slow1 1.05mhz 128khz 525khz 30 msec disable 0.5 sec 5 msec enable 1.0 sec 10 msec 128khz 525khz slow1 1.05mhz 128khz 525khz 40 msec disable 0.5 sec 15 msec slow2 enable 1.0 sec 20 msec fast1 525khz 128khz 525khz fast2 128khz 525khz 2.1mhz 45 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? check sum check sum which has been adopted in bm81810muv - m is shown below. y ou will calculate the check sum that the sum of the data, including the check sum (chk7 >| chk0) is 00h. [a7:a0] + [b7:b0] + [c7:c0] + [d7:d0] + [e7:e0] + [f7:f0] + [g7:g0] + [h7:h0] + [i7:i0] + [j7:j0] + [k7:k0] + [l7:l0] + [m7:m0] + [chk7:chk0] = 00h register [7] [6] [5] [4] [3] [2] [1] [0] 00h a7 a6 a5 a4 a3 a2 a1 a0 01h b7 b6 b5 b4 b3 b2 b1 b0 02h c7 c6 c5 c4 c3 c2 c1 c0 03h d7 d6 d5 d4 d3 d2 d1 d0 04h e7 e6 e5 e4 e3 e2 e1 e0 05h f7 f6 f5 f4 f3 f2 f1 f0 06h g7 g6 g5 g4 g3 g2 g1 g0 07h h7 h6 h5 h4 h3 h2 h1 h0 08h i7 i6 i5 i4 i3 i2 i1 i0 09h j7 j6 j5 j4 j3 j2 j1 j0 0ah k7 k6 k5 k4 k3 k2 k1 k0 0bh l7 l6 l5 l4 l3 l2 l1 l0 0ch m7 m6 m5 m4 m3 m2 m1 m0 0dh chk7 chk6 chk5 chk4 chk3 chk2 chk1 chk0 46 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? soft start time bm81810muv - m has soft start function on avdd, vgh, vgl and vdd. time of the soft start is up to the output voltage reaches the typ . value. the output voltage t yp . value of each block is shown in the following table. the time setting soft start of avdd is shown in the table below. bit avdd soft start t ime 0 0 5 ms ec 0 1 10 ms ec 1 0 15 msec 1 1 20 msec the soft - start time of vgh and vgl are 5msec. the soft - start time of vdd is 1 msec. t he soft - start setting an example of avdd and vgh are shown in the figure below. if you c hange the setting voltage from t yp . values, occur s error in the soft - start time. the setting voltage > typ. v alue m soft - start will be more slow. the setting voltage < typ. value m soft - start will be more faster . no error of soft - start is occurred for change of frequency. block soft start output voltage typ. value soft start time avdd 10.5 v set register vgh 18.0 v 5 msec vgl - 6.0 v 5 msec vdd 1.2 v 1 msec figure 76. softstart time a v d d ( t y p . ) e x 47 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? block diagram figure 77. block diagram l o g i c l e v e l s h i f t e r r a m p p w m c o m p d a c s w d r p v g h c p p 2 l e v e l s h i f t d r n v g l 1 2 v i n b v r e g o s c o s c g n d s c l s d a e n l o g i c c g n d a v d d d a c r e g i s t e r r e g i s t e r r e g i s t e r v r e g v r e f a v d d v g h v g l e r r a m p p w m c o m p p g n d b v d d v c o m d a c r e g i s t e r p a v d d e e p r o m s w b i / f f a u l t v d d l o a d s w v l s o v i n 1 3 1 7 1 8 1 4 8 3 6 4 3 0 3 1 2 9 1 d r i v e r 7 1 1 2 3 3 2 2 7 2 6 2 d r i v e r d r i v e r d r i v e r e r r a m p e r r a m p v g l v g h v c o m a v d d v d d 1 0 l d o 1 6 r s t 2 8 5 p g n d r e s e t 9 n e g d a c r e g i s t e r 2 1 w p n a d c 2 2 n t c p g / l d s w 2 4 c p _ c l k c p _ c l k l e v e l s h i f t l e v e l s h i f t 1 5 v c p c p p 1 1 6 l e v e l s h i f t l e v e l s h i f t 1 9 g s o u t g p m 2 0 r e g s i n 2 5 c o n t r o l f a u l t p o w e r g o o d d a c 48 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? avdd block function avdd block (boost dc / dc) can set the following functions by eeprom. 1. avdd voltage (register address 00h [7:0]) avdd voltage can be set in 0.1v step from 5.0v to 17.0v. 2. sw switching frequency (register address 0ch [1:0]) the switching frequency can be set at 525khz, 1.05mhz or 2.1mhz. 3. soft start time (register address 0bh [5:4]) soft start time of avdd can be set in 5msec step from 5msec to 20msec . 4. sw switching slew rate (register address 0b h [3:2]) sw pin switching slew rate can be controlled by the register setting. 11 e r r a m p p w m d a c r e g i s t e r l o a d s w i t c h d r i v e r v i n v l s o p a v d d p g n d s w d i s c h a r g e <00> <01> <10> <11> <00> <01> <10> <11> 49 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m 5. ocp detect level (register address 0bh [6]) sw pin over current protection detection level can be set at 1.0a(min.) or 2.0a(min.) . 6. comp adjust (register address 0b [ 7 ]) phase margin can be adjusted. 0 of the use with a coil of 10h. 40 45 50 55 60 65 70 75 80 85 90 0 50 100 150 200 250 efficiency [%] load [ma] avdd efficiency <00> <01> <10> <11> fs[khz] coil[ h] coil adjust 0bh[1:0] comp adjust 0bh[7] 525 4.7 00'b 0'b 525 10 11'b 0'b 1050 4.7 00'b 0'b 1050 10 11'b 0'b 2100 4.7 00'b 0'b 2100 10 11'b 0'b 50 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m (1) setting the output l constant (boost converter) the coil to use for output is decided by the rating current i lr and input current maximum value i inmax of the coil. adjust so that i inmax +?i . ?i ? ? ? ? ? ? ? ? ? ? ? ? ? ? 51 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? vgh block function vgh block (positive charge pump) can set below functions by e eprom . 1. vgh (hot) voltage (register address 01h [7:0]) vgh (hot) voltage can be set in 0.2v step from 8.0v to 35.0 v . 2. drp switching frequency (register address 0ch [5:4]) switching frequency can be set at avdd frequency x1, x1/2, or x1/4 . 3. vgh (cold) voltage (register address 02h [6:0]) to set vgh (cold) voltage can ha ve the vgh voltage relates to ntc pin voltage , when ntc function is used. vgh (cold) voltage range can be set in 0.2v step from vgh (hot) + 0v to vgh (hot) + 15.0v . refer ntc block function l e v e l s h i f t d r p v g h c p p 2 l e v e l s h i f t r e g i s t e r v g h d r i v e r e r r a m p c p _ c l k l e v e l s h i f t l e v e l s h i f t v c p c p p 1 d a c a v d d d i s c h a r g e 52 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m C l e v e l s h i f t d r p v g h c p p 2 l e v e l s h i f t r e g i s t e r v g h d r i v e r e r r a m p c p _ c l k l e v e l s h i f t l e v e l s h i f t v c p c p p 1 d a c a v d d d i s c h a r g e c _ d r p 2 c _ d r p 1 c _ v c p c _ v g h c _ a v d l e v e l s h i f t d r p v g h c p p 2 l e v e l s h i f t r e g i s t e r v g h d r i v e r e r r a m p c p _ c l k l e v e l s h i f t l e v e l s h i f t v c p c p p 1 d a c a v d d d i s c h a r g e c _ d r p 1 c _ v g h c _ a v d 53 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m C l e v e l s h i f t d r p v g h c p p 2 l e v e l s h i f t r e g i s t e r v g h d r i v e r e r r a m p c p _ c l k l e v e l s h i f t l e v e l s h i f t v c p c p p 1 d a c a v d d d i s c h a r g e c _ d r p 1 c _ v g h c _ a v d c _ d r p 2 c _ d r p 3 c _ v c p 1 c _ v c p 2 d _ v g h 2 d _ v g h 1 54 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? vgl block function vgl block (negative charge pump) can set below functions by eeprom . 1. vgl voltage (register address 03h [7:0]) vgl voltage can be set by 0.1v step from - 4.0v to - 14.0v . 2. drn switching frequency (register address 0ch [5:4]) switching frequency can set avdd frequency x1, x1/2, or x1/4 . C C d r n v g l d a c r e g i s t e r v g l d r i v e r e r r a m p c p _ c l k p a v d d d i s c h a r g e d r n v g l d a c r e g i s t e r v g l d r i v e r e r r a m p c p _ c l k p a v d d d i s c h a r g e d _ v g l c _ v g l c _ d r n d r n v g l d a c r e g i s t e r d r i v e r e r r a m p c p _ c l k p a v d d d i s c h a r g e v g l c _ d r n 2 c _ d r n 1 d _ v g l 1 d _ v g l 2 c _ v c n c _ v g l 55 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? vcom block function vcom block (vcom calibrator) can set below functions by eeprom . 1. vcom (hot) voltage (register address 04h [7:0]) vcom (hot) voltage can be set by 4 0mv step from avdd/2 +/ - 0.0v to 4 .0v . 2. vcom (cal) voltage ( device address 1001111x ) vcom (cal) voltage is the function to make minor adjustment of vcom (hot) voltage value. vcom (hot) can be set by 10mv step from +/ - 0.0v to 0.63v . refer p age 1 9 , dvr (vcom calibrator) for C refer ntc block function for the detail description of for example avdd = 13.0v avdd/2 = 6.5v 2.5v 10.5v 11.13v 1.87v +0.63v - 0.63v vcom min voltage avdd x 0.2 = 13 x 0.2 = 2.6v vcom max voltage avdd x 0.7 = 13 x 0.7 = 9.1v d a c r e g i s t e r a v d d v c o m n e g 56 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? vdd block function vdd block (buck dc/dc) can set below functions by eeprom . 1. vdd voltage (register address 06h [5:0]) vdd voltage can be set by 0.05v step from 0.9v to 3.4v . 2. swb switching frequency (register address 0ch [3:2]) switching frequency can be set at 525khz, 1.05mhz, or 2.1mhz . 3. vdd phase adjust (register address 06h [7]) phase margin can be adjusted. 0 vin[v] vdd[v] vdd phase adjust 0.9 1.25 1'b 1.3 0'b 3.3 0.9 0'b 5 v i n b e r r a m p p w m p g n d b v d d s w b v d d d r i v e r l d o d a c r e g i s t e r d i s c h a r g e 57 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m application can select buck dc/dc or ldo by , ldo operates. c_vdd in ldo mode, please use 1.0f ~ 10f. when vdd function is not used, please set in vdd ldo mode, and, please connect capacitor more than 1.0f. v i n b e r r a m p p w m p g n d b v d d s w b v d d d r i v e r l d o d a c r e g i s t e r d i s c h a r g e l _ s w b c _ v i n b c _ v d d v i n b e r r a m p p w m p g n d b v d d s w b v d d d r i v e r l d o d a c r e g i s t e r d i s c h a r g e c _ v i n b c _ v d d 58 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? gpm block function gpm block (gate pulse modulation) can set below functions by eeprom . 1. input delay time (register address 07h [7:6]) falling timing of input signal can be set at 0.1usec, 0.5usec, 1.0usec, or 1.5usec . pin connection when gpm is not used when gpm function is not used, connect gsin pin to vin . connect re pin to resistance (2.0kohm) . gsout pin should be open . figure 94. gpm block diagram figure 95. gpm input delay time l e v e l s h i f t l e v e l s h i f t g s o u t r e g s i n c o n t r o l v g h i n p u t d e l a y t i m e g s i n g s o u t 59 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? reset block function reset block can set below functions by eeprom . 1. reset detect voltage (register address 0 7 h [ 4 :0]) reset detection voltage can be set by 0.1v step from 0.6v to 3.3v . 2. reset monitor select (register address 07h [5]) reset detection pin can select from vdd and v in . 3. delay2 time (register address 09h [ 2 :0]) reset detection time can be set from 0msec to 40msec. figure 96. reset block diagram figure 97. reset function r s t d a c r e g i s t e r r e s e t v i n v d d d e l a y d e t e c t v o l t a g e r e s e t m o n i t o r p i n ( v i n o r v d d ) r s t d e t e c t v o l t a g e - 0 . 1 v d e l a y 2 t i m e 60 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? pg /ldsw block function pg/ldsw block can switch pg (power good) and ldsw (load switch) function by eeprom . case of pg function, when gpm block becomes workable, pg pin will change from high to low to recognize as all boost sequence is completed. case of ldsw function, this function is used when vgl voltage output is prior to avdd voltage output. with below application construction, ???? ?? ????? = ? ? _ ???? ( ? _ ?????? ? _ ???? ? _ ?????? + ? _ ???? ) ln ( 1 ? ? _ ?????? + ? _ ???? ? _ ???? ?? ? ???? ) ???? ??? ????? = ? ? _ ???? ? _ ???? ln ( ? _ ?????? + ? _ ???? ? _ ???? ?? ? ???? ) where: avdd is avdd setting voltage. vth is m_ldsw gate t hreshold voltage figure 98. pg/ldsw block diagram figure 99. ldsw function figure 100. ldsw delay time p g / l d s w s e q u e n c e l o g i c p g / l d s w s e q u e n c e l o g i c p a v d d a v d d r _ l s g a t e r _ l d s w c _ l d s w m _ l d s w v g l p g / l d s w m _ l d s w g a t e v o l t a g e a v d d l s w o n d e l a y p a v d d e n p g / l d s w m _ l d s w g a t e v o l t a g e a v d d l d s w o f f d e l a y 61 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? ntc block function ntc block is the function to adjust vgh, vcom voltage depending on ntc pin voltage. ntc pin will output 40ua(typ.) current. connecting thermistor element can perform temperature adjustment function. below functions can be set by eeprom . 1. vgh ntc enable (register address 02h [7]) vgh block ntc function can be changed to enable or disable . 2. vcom ntc enable (register address 05h [7]) vcom block ntc function can be changed to enable or disable . pin connection when ntc is not used. when ntc function is not used, connect ntc pin to open . ? en block function when inserting resistor to en terminal, en threshold voltage is decided by resistance division with internal resistor. threshold voltage calculation ; en threshold voltage high typical ( venh ) = 0.9/300x (400+rup) en threshold voltage low typical ( venl ) = 0.9/500x (600+rup) the en threshold voltage including unevenness is as follows; figure 101. ntc block diagram figure 102. en block diagram - + v r e f ( 0 . 9 v ) 1 0 0 k 3 0 0 k 2 0 0 k r u p v e n e n n t c l o g i c a d c 4 b i t v g h v c o m r e g i s t e r d a c r e g i s t e r d a c 62 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? vgh and vcom temperature compensation ntc function can adjust vgh, vcom voltage depending on n tc voltage (vntc) . 4 bit adc is used to detect ntc voltage. when ntc pin voltage vntc 0.5v , ntc function will judge as hot setting. in this case, vgh and vcom output voltage can be calculated by below formula. vgh = vgh (hot) vcom = vcom (cal) when ntc pin voltage vntc 1.25v , ntc function will judge as cold setting. vgh = vgh (hot) + vgh (cold) vcom = vcom (cal) C ??? = ??? ( ???? ) ?? ? ( ??????? ( ???? ? 0 . 5 ? 0 . 047 ? ) ? ? ) + ??? ( ??? ) ???? = ???? ( ??? ) ? vcom ( c ??? ) ?? ? ( ??????? ( ???? ? 0 . 5 ? 0 . 047 ? ) ? ? ) figure 103. ntc function v c o m + v c o m ( c a l ) ( c o l d ) v c o m ( c a l ) t a [ ] v g h ( h o t ) v g h + v g h ( h o t ) ( c o l d ) f h e h d h c h b h a h 9 h 8 h 7 h 6 h 5 h 4 h 3 h 2 h 1 h 0 h t a [ ] f h e h d h c h b h a h 9 h 8 h 7 h 6 h 5 h 4 h 3 h 2 h 1 h 0 h t a [ ] v g h [ v ] n t c [ v ] v c o m [ v ] 1 . 2 5 v 0 . 5 v 63 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? fault b lock function fault function is to inform ic situation to outside. when the operation is normal, fault pin will be high . when the operation is abnormal, fault pin will be low . below are the conditions to have fault pin to low . q detect uvlo r start tsd s shutdown by uvp or ocp t check sum ? fail register function when fault pin is low , it is possible to confirm which protection circuit is activate by reading data from fail register . fail register will reflect the protection detect ed circuit at the moment of fault=low register address of fail register is 10h . fail register does not have eeprom writing function. when vin uvlo is detected, the data will be deleted. figure 104. fault block diagram f a i l r e g i s t e r f a u l t l o g i c u v l o t s d s h u t d o w n b y u v p a n d o c p c h e c k s u m i 2 c register address d7 d6 d5 d4 d3 d2 d1 d0 10h avdd uvp vdd uvp vgh uvp vgl uvp double register error avdd ocp tsd check sum error 64 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? protection function explanation of power management block q under voltage lock out (uvlo) the bm81 810muv - m has uvlo function for vin and a circuit miss - operation during in under uvlo voltage operation is prevented. if vin below uvlo voltage, it shuts down vdd, avdd, vgh, vgl, gpm, vcom and res e t . r thermal shutdown (tsd) the bm 81810muv - m incorporat es a thermal shut down (tsd) function. if ic temperature exceeds 1 75 (typ), it shuts down vdd, avdd, vgh, vgl, gpm, vcom and res e t . s under voltage protection (uvp) this block has under voltage protection (uvp) function for vdd, avdd, vgh and vgl output . w hen detecting uvp, inner counter will be activated, and after 5 ms passed, it shuts down vdd, avdd, vgh, vgl, gpm, and vc om. (it also shuts down res e t when reset monitors vdd voltage.) t over voltage protection (ovp) this block has over voltage protection (ovp) function for avdd output. w hen detecting ovp, output voltage rising is limited by forcing switching turn off. if output voltage falls, switching is restart ed. u over current protection (ocp) this block has over current protection (ocp) function for vdd and avdd. when detecting ocp, it controls switching and limits generating over current in fet. block protective function working condition action protective removal vdd over current protection ( buck dcdc mode ) isw b > 1. 0 a (min . ) control switching pulse duty to not over current limit isw b < 1. 0 a (min . ) over current protection ( ldo mode ) isw b > 0.3 a (min . ) control ldo to not over current limit. isw b < 0.3 a (min . ) under voltage protection d etect : vdd 65 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? double register bm81810muv - m can perform various setting by register . if these settings are changed without intension, to avoid application abnormal operation, certain specific register has error detection function. below shows the register with anomaly detection function. double register correspond bit ? data refresh data refresh is the function to read data from e eprom periodically. if register setting is suddenly changed without intension, data refresh function can read data from eeprom to recover to the normal data . data refresh performs at certain cycle period. the time of period can be set by register at 0.5sec or 1.0sec. in the case of wpn=low, double register function and data refresh func tion can be set by register as enable or disable. below table shows the function by each combination. in the case of wpn=h i gh, double register function and data refresh function are disable. enable register address d7 d6 d5 d4 d3 d2 d1 d0 00h 01h 02h vgh ntc enable 03h 04h 05h vcom ntc enable 06h vdd phase vdd mode 07h reset monitor select 08h function select 09h data refresh doublereg 0ah vgh discharge enable ar_time 0bh avdd comp avdd ocp select 0ch start-up bit vgh mode select 0dh 10h avdd uvp vdd uvp vgh uvp vgl uvp double register error avdd ocp tsd check sum error avdd output voltage vgh hot output voltage S 66 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? pcb layout guide gnd wiring pattern the high current gnd (pgnd) should be wired thick. to reduce line impedance, the gnd lines must be as short and thick as possible and uses few via. therefore design at pcb board four layers or above is recommended. (please use the middle layer as gnd shielding and directly connect each gnd.) in the case of two layers or less at pcb board designs, please enough confirm with the actual model about the heat and the noise with care to a gnd wiring. switchin g - line wiring pattern the wiring from switching line (sw pin) of dc/dc converter to inductor and diode must be as short and thick as possible. if a wiring is lo ng, ringing by switching increa s e s , and the voltage over the resistance of this ic might be gene rated. please note that switching line does not vary pcb layer. switching line and wiring easily affected by noise such as feedback line must be placed separately. switching noise spread may cause the lack of operation stability. in case the multi - layer pcb board, please note that a switching line and a line easily affected by noise or the external components are not adjacent between layers. drawing gnd shield line between switching line and these lines easily affected by noise is recommended if these li nes are placed close. power supply voltage line wiring pattern for power supply voltage (vin , vinb, vlso, pavdd, avdd, vgh ), place smooth capacitor nearby ic pin. please note that smooth capacitor does not vary pcb layer. the figure 104 shows an applic ation circuit on the basis of the basic pcb layout pattern guideline mentioned above. ? bold line: high current line ? blue line(two dots and dashed line): wiring easily affected by noise ? r ed line (dashed line): noise source line such as switching lin e. ? p lace smooth capacitor nearby ic pin ? d_sw locates it near sw terminal / pavdd terminal of bm81810, and a current loop of sw terminal m sbd m pavdd, please become as short as possible. figure 105. pcb layout indications 1 2 3 4 5 7 6 9 1 0 1 1 1 2 1 4 1 3 1 7 1 8 1 9 2 1 2 0 2 5 2 6 2 8 2 7 8 1 6 1 5 2 2 2 4 2 3 2 9 3 0 3 2 3 1 e n s w b r s t s c l s d a v r e g p g / l d s w f a u l t v i n v d d n t c r e v l s o s w a v d d v c o m v g l d r n c p p 1 d r p v c p c p p 2 v g h g s o u t g s i n v i n v i n v i n a v d d 67 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? emc layout guide introduce the plan that can design on the pcb as emc measures. measures by the board pattern wire avdd line briefly thickly. ( q ) wire the current loop of boost dc/dc briefly thickly. ( r ) measures by the external component insert a common mode filter or a beads coil in the avdd line and form the emc filter. ( s ) place output capacitor and small capacitor (10pf - 1,000pf) in parallel. ( t ) insert the snubber circuit in sw pin. (assumed the efficiency b ecomes worse) ( u ) r figure 106. emi circuit 1 figure 107. emi circuit 2 68 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? i/o equivalence circuit 1. vinb 2. vreg 3 . vin 4 . vlso 6 . sw 7 . pavdd 8 . avdd 9 . neg 1 0 . vcom 1 2 . vgl 13. drn 14. drp v c o m a v d d a v d d p a v d d p a v d d d r n v g l i n t e r n a l r e g . a v d d a v d d n e g a v d d a v d d d r p v i n v r e g v i n p a v d d v i n b v i n v l s o p a v d d s w 69 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m 1 5 . cpp1 1 6. vcp 1 7 . cpp2 18. vgh 19 . gsout 20 . re 21 . wpn 2 2 . ntc 2 3 . fault 24 . pg/ldsw 25 . gsin 2 6 . sda v r e g g s i n p g / l d s w f a u l t n t c v r e g v g h c p p 2 v c p a v d d c p p 1 v r e g s d a v g h g s o u t r e v g h v r e g w p n 70 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m 27 . scl 28 . rst 29 . vdd 30 . swb 32 . en v r e g s c l v r e g e n v d d r s t v i n b s w b 71 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? operation notes 1. reverse connection of power supply connecting the power supply in reverse polarity can damage the ic. take precautions against reverse polarity when connecting the power supply, such as mounting an external diode between the power supply and the ics power subject the ic to stress. always discharge capacitors completely after each process or step. the ics power supply 72 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m operational notes C be within the ics power dissipation rating. if however the rating is exceeded for a continued period, the junction n n p + p n n p + p s u b s t r a t e g n d n p + n n p + n p p s u b s t r a t e g n d g n d p a r a s i t i c e l e m e n t s p i n a p i n a p i n b p i n b b c e p a r a s i t i c e l e m e n t s g n d p a r a s i t i c e l e m e n t s c b e t r a n s i s t o r ( n p n ) r e s i s t o r n r e g i o n c l o s e - b y p a r a s i t i c e l e m e n t s 73 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? ordering inform ation b m 8 1 8 1 0 m u v - m e2 part number package m uv : v qfn 32sv5050 product rank m: for automotive packaging specification e2 : embossed tape and reel ? marking diagram b m 8 1 8 1 0 1 p i n m a r k l o t n o . 74 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? physical dimension , tape and reel information package name vqfn32sv5050 75 / 75 tsz02201 - 0313aaf00730 - 1 - 2 ? 20 16 rohm co., ltd. all rights reserved. 25.july.2016 rev.001 www.rohm.com tsz22111 15 001 bm81810muv - m ? modification record rev. 001 - first revision of datasheet. notice - p a a - e rev.00 3 ? 201 5 rohm co., ltd. all rights reserved. notice precaution on using rohm products 1. if you intend to use our products in devices requiring extremely high reliability ( such as medical equipment ( n ote 1 ) , aircraft/spacecraft, nuclear power controllers, etc.) and whose malfunction or failure may cause loss of human life , bodily injury or serious damage to property ( specific applications ) , please consult with the rohm sales representative in advance. unless otherwise agreed in writing by rohm in advance, rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any rohm s products for specific applications. ( n ote1) m edical equipment classifica tion of the specific applications japan usa eu china class 2. rohm designs and manufactures its products subject to strict quality control system. however, semiconductor products can fail or malfunction at a cert ain rate. please be sure to implement, at your own responsibilities, adequate safety measures including but not limited to fail - safe design against the physical injury, damage to any property, which a failure or malfunction of our products may cause. the f ollowing are examples of safety measures: [a] installation of protection circuits or other protective devices to improve system safety [b] installation of redundant circuits to reduce the impact of single or multiple circuit failure 3. our p roducts are no t designed under any special or extraordinary environments or conditions, as exemplified below . accordingly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from the use of any rohms p roduct s under any specia l or extraordinary environments or conditions . if you intend to use our products under any special or extraordinary environments or conditions (as exemplified below), your independent v erification and confirmation of product performance, reliability, etc, prior to use, must be necessary : [a] use of our products in any types of liquid, including water, oils, chemicals, and organic solvents [b] use of our products outdoors or in places where the p roducts are exposed to direct sunlight or dust [c] use of our products in places where the p roducts are exposed to sea wind or corrosive gases, including cl 2 , h 2 s, nh 3 , so 2 , and no 2 [d] use of our products in places where the p roducts are exposed to static electricity or electromagnetic waves [e] use of our products in proximity to heat - producing components, plastic cords, or other flammable items [f] s ealing or coating our p roducts with resin or other coating materials [g] use of our products without cleaning residue of flux (even if you use no - clean type fluxes, cle aning residue of flux is recommended); or washing our products by using water or water - soluble cleaning agents for cleaning residue after soldering [h] use of the p roducts in places subject to dew condensation 4 . the p roducts are not subject to radiation - proof design . 5 . please verify and confirm characteristics of the final or mounted products in using the products. 6 . in particular, if a transient load (a large amount of load applied in a short period of time, such as pulse. is applied, confirmation o f performance characteristics after on - board mounting is strongly recommended. avoid applying power exceeding normal rated power; exceeding the power rating under steady - state loading condition may negatively affect product performance and reliability. 7 . de - rate power dissipation d epending on a mbient temperature . when used in sealed area, confirm that it is the use in the range that does not exceed the maximum junction temperature. 8 . confirm that operation temperature is within the specified range described in the product specification. 9 . rohm shall not be in any way responsible or liable for f ailure induced under de viant condition from what is defined in this document . precaution for mounting / circuit board design 1. when a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product performance and reliability. 2. in principle, the reflow soldering method must be used on a surface - mount products, the flow soldering method must be used on a through hole mount products. i f the flow soldering method is preferred on a surface - mount products, please consult with th e rohm representative in advance. for details , please refer to rohm mounting specification notice - p a a - e rev.00 3 ? 201 5 rohm co., ltd. all rights reserved. precautions regarding application examples and external circuits 1. if change is made to the constant of an external circuit, please allow a sufficient margin con sidering variations of the characteristics of the p roducts and external components, including transient characteristics, as well as static characteristics. 2. you agree that application notes, reference designs, and associated data and information contain ed in this document are presented only as guidance for products use . therefore, in case you use such information, you are solely responsible for it and you must exercise your own independent verification and judgment in the use of such information contain ed in this document. rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such information. precaution for electrostatic this p roduct is e lectrostatic sensitive pr oduct, which may be damaged due to e lectrostatic discharge. please take proper caution in your manufacturing process and stor age so that voltage exceeding the product s maximum rating will not be applied to p roducts. please take special care under dry condi tion (e.g. grounding of human body / equipment / solder iron, isolation from charged objects, setting of ionizer, friction prevention and temperature / humidity control). precaution for storage / transportation 1. product performance and soldered connecti ons may deteriorate if the p roducts are stored in the places where : [a] the p roducts are exposed to sea winds or corrosive gases, including cl2, h2s, nh3, so2, and no2 [b] the temperature or humidity exceeds those recommended by rohm [c] the products are e xposed to direct sunshine or condensation [d] the products are exposed to high electrostatic 2. even under rohm recommended storage condition, solderability of products out of recommended storage time period may be degraded. it is strongly recommended to confirm solderability before using p roducts of which storage time is exceeding the recommended storage time period. 3. store / transport cartons in the correct direction, which is indicated on a carton with a symbol. otherwise bent leads may occur due to excessive stress applied when dropping of a carton. 4. use p roducts within the specified time after opening a humidity barrier bag. baking is required before using p roducts of which storage time is exceeding the recommended storage time period . precaut ion for p roduct l abel a two - dimensional barcode printed on rohm p roduct s label is for rohm s internal use only . precaution for d isposition when disposing p roducts please dispose them properly using a n authorized industry waste company. precaution for foreign e xchange and foreign t rade act since concerned goods might be fallen under listed items of export control prescribed by foreign exchange and foreign trade act, please consult with rohm in case of export. precaution regarding intellectual property rights 1. all informa tion and data including but not limited to application example contained in this document is for reference only. rohm does not warrant that foregoing information or data will not infringe any intellectual property rights or any other rights of any third pa rty regarding such information or data. 2. rohm shall not have any obligations where the claims, actions or demands arising from the combination of the products with other articles such as components, circuits, systems or external equipment (including software). 3. no license, expressly or impli ed, is granted hereby under any intellectual property rights or other rights of rohm or any third parties with respect to the products or the information contained in this document. provided, however, that rohm will not assert its intellectual property rig hts or other rights against you or your customers to the extent necessary to manufacture or sell products containing the products, subject to the terms and conditions herein. other precaution 1. this document may not be reprinted or reproduced, in whole or in part, without prior written consent of rohm. 2. the pr oducts may not be disassemble d, converted, modified, reproduced or otherwise changed without prior written consent of rohm. 3. i n no event shall you use in any way whatsoever the products and the related technical information contained in the products or this document for any military purposes , including but not limited to, the development of mass - destruction weapons . 4. the proper names of companies or products described in this document are trademarks or registered trademarks of rohm, its affiliated com panies or third parties. datasheet datasheet notice ? we rev.001 ? 2015 rohm co., ltd. all rights reserved. general precaution 1. before you use our pro ducts, you are requested to care fully read this document and fully understand its contents. rohm shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny rohms products against warning, caution or note contained in this document. 2. all information contained in this docume nt is current as of the issuing date and subj ec t to change without any prior notice. before purchasing or using rohms products, please confirm the la test information with a rohm sale s representative. 3. the information contained in this doc ument is provi ded on an as is basis and rohm does not warrant that all information contained in this document is accurate an d/or error-free. rohm shall not be in an y way responsible or liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or concerning such information. datasheet part number BM81810MUV-M package vqfn32sv5050 unit quantity 2500 minimum package quantity 2500 packing type taping constitution materials list inquiry rohs yes BM81810MUV-M - web page |
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